261483694 has 8 divisors (see below), whose sum is σ = 392952168. Its totient is φ = 130499640.

The previous prime is 261483683. The next prime is 261483709. The reversal of 261483694 is 496384162.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 261483694.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119752 + ... + 121915.

It is an arithmetic number, because the mean of its divisors is an integer number (49119021).

Almost surely, 2^261483694 is an apocalyptic number.

261483694 is a deficient number, since it is larger than the sum of its proper divisors (131468474).

261483694 is a wasteful number, since it uses less digits than its factorization.

261483694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242210.

The product of its digits is 248832, while the sum is 43.

The square root of 261483694 is about 16170.4574456012. The cubic root of 261483694 is about 639.4621897909.

The spelling of 261483694 in words is "two hundred sixty-one million, four hundred eighty-three thousand, six hundred ninety-four".